*PLUMBERSSTOCK EXPERT* responded:
Good day! We appreciate your interest in our Kohler K-4615-G-0 Revival Elongated Toilet Seat. From the center of the hinge mounts to the front of the seat, the measurement is 18-5/16". Here is the specification sheet for further information. About the brass hinges, yes, we have them available. The model number for the brass hinges is 4615-BR-0. This seat has been discontinued but it is still offered in almond and biscuit. If you wish to purchase the 4615-BR-0, please feel free to contact our customer support specialists at 435-868-4020 or through email at firstname.lastname@example.org. If you wish to purchase this K-4615-G-0, simply click Add To Cart on this webpage and you're all set. Should you have any questions, please let us know. We are not here to just make a sale but we are here to help you be happy and confident in your purchase decisions. Thank you for shopping with plumbersstock.com – the perfect place to find high-quality products at low, low prices!